DEWALT DCB090 12V/20V Max USB Power Source Plastic / Metal Imported Durable Enough To Withstand Jobsite Abuse Charges Up To 2 Small Usb-compatible Electronic Devices On/at The Jobsite Off 12v Or 20v Max Batteries When Ac Power Is Not Available Allows User To Work With All Dewalt(r) Slide-style Battery Packs Charge up to 2 small USB compatible electronic devices on/at the jobsite off your 12V or 20V MAX Allows you to work with all DEWALT Slide Style battery packs Indicates when unit is powered on and ready to charge devices DCB090 is compatible with DEWALT 12V MAX and 20V MAX battery packs Battery not included